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FAQ
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| Cryogenic vs. On Site |
| What is PSA? |
| What is Membrane? |
| Worldwide Approvals |
| Glossary |
| On Site Systems |
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Food Industry
Nitrogen is an efficient, cost-effective way to displace oxygen and mo ...Learn More.
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What is membrane technology and how does it work?
Get the “hole” story.
Membranes are a series of hollow fibers that have holes in their walls. Compressed air is forced through these hollow fibers. For our purposes, the holes in the wall are small enough that CO, CO2 and O2 molecules will exit through them under pressure. These same holes, however, are too small to accept N2 or Argon molecules. By forcing air down the fiber, the smaller molecules permeate (are forced to escape) and the Argon and N2 are captured at the other end. We generally heat the air in the membrane to excite the molecules in the hollow fiber, and increase the chance that they will permeate out through the holes. This process does not decrease the life of the membrane. |
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